condition mean min max ZT0-3 0.30124675 0.3009545 0.301539 ZT4-7 2.02058 2.02058 2.02058 ZT8-11 0.6049145 0.6049145 0.6049145 ZT12-15 0 0 0 ZT16-19 0.198095 0.198095 0.198095 ZT20-23 0.0997675 0.0997675 0.0997675